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Finding the Fourth Proportional to 197,245.80, 295,695.90 and 118,276.20

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Solution

The fourth proportional to 197,245.80, 295,695.90 and 118,276.20 is: 177,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,245.80 : 295,695.90 = 118,276.20 : x
  2. Step 2: Convert to fraction form
    197,245.80/295,695.90 = 118,276.20/x
  3. Step 3: Cross multiply
    197,245.80x = 295,695.90 × 118,276.20
  4. Step 4: Simplify right side
    197,245.80x = 34,973,787,407.58
  5. Step 5: Solve for x
    x = 34,973,787,407.58/197,245.80
  6. Step 6: Final answer
    x = 177,310.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.